%0 Journal Article %A V. D. Kukin %A A. R. Frenkin %T On the construction of the scattering matrix in nonlocal theories %J Doklady Akademii Nauk %D 1961 %P 1089-1092 %V 139 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1961_139_5_a15/ %G ru %F DAN_1961_139_5_a15